fp@1724: #------------------------------------------------------------------------------
fp@1724: # $Id$
fp@1724: #------------------------------------------------------------------------------
fp@1724: 
fp@1731: AC_PREREQ(2.59)
fp@1740: AC_INIT([ethercat],[1.2.0],[fp@igh-essen.com])
fp@1731: AC_CONFIG_AUX_DIR([autoconf])
fp@1732: AM_INIT_AUTOMAKE([-Wall -Werror dist-bzip2])
fp@1724: AC_PREFIX_DEFAULT([/opt/etherlab])
fp@1731: AC_CONFIG_HEADERS([config.h])
fp@1731: AC_CONFIG_SRCDIR([config.h.in])
fp@1724: 
fp@1724: #------------------------------------------------------------------------------
fp@1732: # Global
fp@1732: #------------------------------------------------------------------------------
fp@1732: 
fp@1732: branch=stable
fp@1732: 
fp@1732: AC_DEFINE_UNQUOTED(BRANCH, ["$branch"], [Subversion branch])
fp@1732: AC_SUBST(BRANCH, [$branch])
fp@1732: 
fp@1732: #------------------------------------------------------------------------------
fp@1724: # Linux sources
fp@1724: #------------------------------------------------------------------------------
fp@1724: 
fp@1732: AC_ARG_WITH([linux-dir],
fp@1732:     AC_HELP_STRING(
fp@1732:         [--with-linux-dir=<DIR>],
fp@1732:         [Linux kernel sources @<:@running kernel@:>@]
fp@1732:     ),
fp@1732:     [
fp@1732:         sourcedir=[$withval]
fp@1732:     ],
fp@1732:     [
fp@1732:         version=[`uname -r`]
fp@1732:         modulesdir=/lib/modules/${version}
fp@1732:         if test \! -d ${modulesdir} || test \! -d ${modulesdir}/build; then
fp@1732:            echo
fp@1732:            AC_MSG_ERROR([Failed to find Linux sources. Use --with-linux-dir!])
fp@1732:         fi
fp@1732:         sourcedir=`cd ${modulesdir}/build && pwd -P`
fp@1732:     ]
fp@1732: )
fp@1732: 
fp@1732: AC_MSG_CHECKING([for Linux kernel sources])
fp@1732: 
fp@1732: if test \! -r ${sourcedir}/.config; then
fp@1732:     echo
fp@1732:     AC_MSG_ERROR([No configured Linux kernel sources in $sourcedir])
fp@1732: fi
fp@1732: 
fp@1732: # Try to get kernel release string
fp@1739: if test -r ${sourcedir}/include/config/kernel.release; then
fp@1739:     kernelrelease=`cat $sourcedir/include/config/kernel.release`
fp@1739: elif test -r ${sourcedir}/.kernelrelease; then
fp@1732:     kernelrelease=`cat $sourcedir/.kernelrelease`
fp@1739: elif test -r ${sourcedir}/include/linux/utsrelease.h; then
fp@1739:     hdr=${sourcedir}/include/linux/utsrelease.h
fp@1739:     kernelrelease=`grep UTS_RELEASE $hdr | cut -d " " -f 3- | tr -d \"`
fp@1732: elif test -r ${sourcedir}/include/linux/version.h; then
fp@1739:     hdr=${sourcedir}/include/linux/version.h
fp@1732:     kernelrelease=`grep UTS_RELEASE $hdr | cut -d " " -f 3- | tr -d \"`
fp@1732: fi
fp@1732: 
fp@1732: if test -z "$kernelrelease"; then
fp@1732:     echo
fp@1732:     AC_MSG_ERROR([Failed to extract Linux kernel version!])
fp@1732: fi
fp@1732: 
fp@1732: # Extract three numbers from kernel release string
fp@1739: linuxversion=`echo $kernelrelease | grep -oE "^[[0-9]]+\.[[0-9]]+\.[[0-9]]+"`
fp@1732: 
fp@1725: AC_SUBST(LINUX_SOURCE_DIR,[$sourcedir])
fp@1732: AC_SUBST(LINUX_KERNEL_RELEASE,[$kernelrelease])
fp@1732: AC_SUBST(LINUX_KERNEL_VERSION,[$linuxversion])
fp@1732: AC_SUBST(LINUX_MOD_PATH,[/lib/modules/$kernelrelease/ethercat])
fp@1732: AC_MSG_RESULT([$LINUX_SOURCE_DIR (Kernel $LINUX_KERNEL_RELEASE)])
fp@1732: 
fp@1732: #------------------------------------------------------------------------------
fp@1732: # 8139too Kernel
fp@1732: #------------------------------------------------------------------------------
fp@1732: 
fp@1732: AC_ARG_WITH([8139too-kernel],
fp@1732:     AC_HELP_STRING(
fp@1732:         [--with-8139too-kernel=<X.Y.Z>],
fp@1732:         [8139too kernel (only if differing)]
fp@1732:     ),
fp@1732:     [
fp@1732:         kernel8139too=[$withval]
fp@1732:     ],
fp@1732:     [
fp@1732:         kernel8139too=$linuxversion
fp@1732:     ]
fp@1732: )
fp@1732: 
fp@1732: AC_MSG_CHECKING([for kernel for 8139too driver])
fp@1732: 
fp@1732: kernels=`ls -1 devices/ | grep -oE "^8139too-.*-" | cut -d "-" -f 2 | uniq`
fp@1732: found=0
fp@1732: for k in $kernels; do
fp@1732:     if test "$kernel8139too" = "$k"; then
fp@1732:         found=1
fp@1732:     fi
fp@1732: done
fp@1732: if test $found -ne 1; then
fp@1732:     AC_MSG_ERROR([kernel $kernel8139too not available for 8139too driver!])
fp@1732: fi
fp@1732: 
fp@1732: AC_MSG_RESULT([$kernel8139too])
fp@1732: 
fp@1732: #------------------------------------------------------------------------------
fp@1732: # RTAI path (optional)
fp@1732: #------------------------------------------------------------------------------
fp@1732: 
fp@1732: AC_ARG_WITH([rtai-dir],
fp@1732:     AC_HELP_STRING(
fp@1732:         [--with-rtai-dir=<DIR>],
fp@1732:         [RTAI path (only for RTAI examples)]
fp@1732:     ),
fp@1732:     [
fp@1732:         rtaidir=[$withval]
fp@1732:     ],
fp@1732:     [
fp@1732:         rtaidir=""
fp@1732:     ]
fp@1732: )
fp@1732: 
fp@1732: AC_MSG_CHECKING([for RTAI path])
fp@1732: 
fp@1732: if test -z "${rtaidir}"; then
fp@1732:     AC_MSG_RESULT([not specified.])
fp@1732: else
fp@1732:     if test \! -r ${rtaidir}/include/rtai.h; then
fp@1732:         AC_MSG_ERROR([no RTAI installation found in ${rtaidir}!])
fp@1732:     fi
fp@1732:     AC_MSG_RESULT([$rtaidir])
fp@1732:     AC_SUBST(RTAI_DIR,[$rtaidir])
fp@1732: fi
fp@1732: 
fp@1732: #------------------------------------------------------------------------------
fp@1732: # MSR path (optional)
fp@1732: #------------------------------------------------------------------------------
fp@1732: 
fp@1732: AC_ARG_WITH([msr-dir],
fp@1732:     AC_HELP_STRING(
fp@1732:         [--with-msr-dir=<DIR>],
fp@1732:         [MSR path (only for MSR example)]
fp@1732:     ),
fp@1732:     [
fp@1732:         msrdir=[$withval]
fp@1732:     ],
fp@1732:     [
fp@1732:         msrdir=""
fp@1732:     ]
fp@1732: )
fp@1732: 
fp@1732: AC_MSG_CHECKING([for MSR path])
fp@1732: 
fp@1732: if test -z "${msrdir}"; then
fp@1732:     AC_MSG_RESULT([not specified.])
fp@1732: else
fp@1732:     if test \! -r ${msrdir}/include/msr.h; then
fp@1732:         AC_MSG_ERROR([no MSR installation found in ${msrdir}!])
fp@1732:     fi
fp@1732:     AC_MSG_RESULT([$msrdir])
fp@1732:     AC_SUBST(MSR_DIR,[$msrdir])
fp@1725: fi
fp@1724: 
fp@1724: #------------------------------------------------------------------------------
fp@1731: # Debug interface
fp@1731: #------------------------------------------------------------------------------
fp@1724: 
fp@1732: AC_ARG_ENABLE([dbg-if],
fp@1732:     AS_HELP_STRING([--enable-dbg-if],
fp@1732:                    [Create a debug interface for each master @<:@NO@:>@]),
fp@1732:     [
fp@1732:         case "${enableval}" in
fp@1732:             yes) dbg=1
fp@1732:                 AC_DEFINE([EC_DBG_IF], [1], [Debug interfaces enabled])
fp@1732:                 ;;
fp@1732:             no) dbg=0
fp@1732:                 ;;
fp@1732:             *) AC_MSG_ERROR([Invalid value for --enable-dbg-if])
fp@1732:                 ;;
fp@1732:         esac
fp@1732:     ],
fp@1732:     [dbg=0]
fp@1732: )
fp@1732: 
fp@1731: AM_CONDITIONAL(EC_DBG_IF, test "x$dbg" = x1)
fp@1731: AC_SUBST([EC_DBG_IF],${dbg})
fp@1731: 
fp@1731: #------------------------------------------------------------------------------
fp@1731: 
fp@1732: # Create config.kbuild
fp@1732: 
fp@1732: echo configure: creating config.kbuild...
fp@1732: 
fp@1732: cat > config.kbuild <<EOF
fp@1732: # config.kbuild - created by configure
fp@1732: EC_DBG_IF := ${dbg}
fp@1732: EC_8139TOO_KERNEL := ${kernel8139too}
fp@1732: EC_RTAI_DIR := "${rtaidir}"
fp@1732: EC_MSR_DIR := "${msrdir}"
fp@1732: EOF
fp@1732: 
fp@1732: #------------------------------------------------------------------------------
fp@1732: 
fp@1731: AC_CONFIG_FILES([
fp@1731:         Makefile
fp@1731:         master/Makefile
fp@1731:         devices/Makefile
fp@1731:         script/Makefile
fp@1740:         script/init.d/Makefile
fp@1740:         script/sysconfig/Makefile
fp@1731:         include/Makefile
fp@1731:         examples/Makefile
fp@1731:         examples/mini/Makefile
fp@1731:         examples/rtai/Makefile
fp@1731:         examples/msr/Makefile
fp@1731: ])
fp@1724: AC_OUTPUT
fp@1724: 
fp@1724: #------------------------------------------------------------------------------